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Oracle Solaris Cluster Geographic Edition Data Replication Guide for Oracle Solaris Availability Suite     Oracle Solaris Cluster 4.0
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Document Information

Preface

1.  Replicating Data With the Availability Suite Feature of Oracle Solaris

2.  Administering Availability Suite Protection Groups

3.  Migrating Services That Use Availability Suite Data Replication

Detecting Cluster Failure on a System That Uses Availability Suite Data Replication

Detecting Primary Cluster Failure

Detecting Secondary Cluster Failure

Migrating Services That Use Availability Suite With a Switchover

How to Switch Over an Availability Suite Protection Group From Primary to Secondary

Actions Performed by the Geographic Edition Software During a Switchover

Forcing a Takeover on Systems That Use Availability Suite

How to Force Immediate Takeover of Availability Suite Services by a Secondary Cluster

Actions Performed by the Geographic Edition Software During a Takeover

Recovering Availability Suite Data After a Takeover

How to Resynchronize and Revalidate the Protection Group Configuration

How to Perform a Failback-Switchover on a System That Uses Availability Suite Replication

How to Perform a Failback-Takeover on a System That Uses Availability Suite Replication

Recovering From an Availability Suite Data Replication Error

How to Recover From a Data Replication Error

A.  Geographic Edition Properties for Availability Suite

Index

Recovering From an Availability Suite Data Replication Error

When an error occurs at the data replication level, the error is reflected in the status of the resource in the replication resource group of the relevant device group.

For example, suppose a device group controlled by Availability Suite that is called avsdg changes to a Volume failed state, VF. This state is reflected in the following resource status:

Resource Status = "FAULTED"
Resource status message = "FAULTED : Volume failed"

Note - The Resource State remains Online because the probe is still running correctly.


Because the resource status has changed, the protection group status also changes. In this case, the local Data Replication state, the Protection Group state on the local cluster, and the overall Protection Group state become Error.

To recover from an error state, complete the relevant steps in the following procedure.

How to Recover From a Data Replication Error

  1. Use the procedures in the Availability Suite documentation to determine the causes of the FAULTED state.

    This state is indicated as VF.

  2. Recover from the faulted state by using the Availability Suite procedures.

    If the recovery procedures change the state of the device group, this state is automatically detected by the resource and is reported as a new protection group state.

  3. Revalidate the protection group configuration.
    phys-paris-1# geopg validate protectiongroupname 
    protectiongroupname

    Specifies the name of the Availability Suite protection group

  4. Review the status of the protection group configuration.
    phys-paris-1# geopg list protectiongroupname 
    protectiongroupname

    Specifies the name of the Availability Suite protection group